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Colemanite : Ca[B3O4(OH)3] · H2O | |
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Gower Gulch Mine, Gower Gulch, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Colemanite, Specimen is from the Brush collection #4516-3 at Yale University at New Haven Connecticut, USA. The scale at the bottom of the image is an inch with a rule at one cm. The label simply said Gower Gulch. There are a number of prospects in the gulch and any one of them could possibly be called a mine. The specimen was probably found ... |
| Photo ID: 236326 View Count: 57 | |
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